On Sun, Oct 25, 2009 at 12:21 PM, Kevin Kofler <kevin.kofler@chello.at> wrote:

Rahul Sundaram wrote:
> LLVM 2.6 has been announced with Clang declared as production quality in
> this release
>
> http://lists.cs.uiuc.edu/pipermail/llvm-announce/2009-October/000033.html
>
> Has anyone been looking into building Fedora with it to see how the
> performance impact is?

A lot of upstream software on GNU/Linux only supports GCC. Clang tries to
support GCC extensions, but I strongly doubt it'll compile all upstream code
unchanged, and upstream projects might even reject patches to fix the build
with Clang because they only support GCC.

Kevin Kofler

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Also, clang's support with C++ ABI is still very broken. It's listed under known issues. While most applications are made with C or Python, there are still a fair number of C++ applications...